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NAT I Engineering Chemistry MCQs With Answers
Question # 1
Carbon monoxide is pollutant as it
Choose an answer
Inactivates nerves
Inhibits glycolysis
Combines with oxygen
Combines with hemoglobin
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Question # 2
The reaction/method that does not give an alkane is
Choose an answer
Catalytic hydrogenation of alkanes
Wurtz reaction
Hydrolysis of alkyl magnesium bromide
Dehydrohalogenation of an alkyl halid.
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Question # 3
Which of the following cannot be produced by acidic dehydration of alcohols?
Choose an answer
Ethers
Aldehyde
Alkyl Hydrogen sulphate
Alkene
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Question # 4
Which of the following alcohols cannot be produced by treatment of aldehydes or ketones with NaBH
4
or LiAIH
4
?
Choose an answer
1-Propanol
2-Propanol
2-Methyl-2-propanol
Ethanol
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Question # 5
Cannizzaro reaction is not given by
Choose an answer
Trimethyl acetaldehyde
Acetaldehyde
Benzaldehyde
Formaldehyde
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Question # 6
The vapour density of a gas is 11.2 The volume occupied by 11.2 g of this gas at N.T.P is
Choose an answer
22.4 liters
11.2 liters
1 liter
2.24 liters
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Question # 7
Which of the following species participate in sulphonation of benzene ring?
Choose an answer
H
2
SO
4
HSO
-
3
SO
3
SO
-
2
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Question # 8
The number of electrons in the M shell of the element with number 24 is
Choose an answer
24
12
13
8
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Question # 9
Which species represents the electrophile in aromatic nitrotaion?
Choose an answer
NO
-
2
+
NO
2
NO2
NO
-
3
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Question # 10
Which of the following fluorides of xenon in impossible?
Choose an answer
XeF
2
XeF
3
XeF
4
XeF
6
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Question # 11
Hybridization explain the------- of orbitals
Choose an answer
Type of Bonding
Shapes
Shape and Type of bonding
None of above
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